The signature looks to say M Harris, Mdina to my eyes, but I don't know if it is right for Michael Harris's signature, there are quite a few faked ones about. I'm sure one of the more experienced Mdina collectors will be along shortly to have a look.

That's not Michael's signature, he used a lower case script style. I wonder whether the signature was added post-purchase, looks very crude. The weight also looks more Isle of Wight or Mtarfa than Mdina

Just to confirm Christines comment - definitely NOT Michael Harris - he was a skilled engraver and his signature is very small, tidy and in script. Also Michael was only involved with Mdina from 1968 until 1972.

I think that this weight is American and made from the ash of the Mount St. Helens volcano. I read the first line as MSH ASHand the second lines as VINES

There are several glass studios in the area trading on the fact that they use ash from the volcano in the glass mix including Glass Eye Studios (GES) and Mount St. Helens Volcanic Ash Glass company The GES weights are normally engraved around the lower edge of the dome. Having checked out the latter company they appear to be geared very much to the tourist souvenier trade so I suspect the weight is one of theirs. Looking at the weight it could represent grape vines so suspect VINES is the design name or else the maker.

The signature looks to say M Harris, Mdina to my eyes, but I don't know if it is right for Michael Harris's signature, there are quite a few faked ones about. I'm sure one of the more experienced Mdina collectors will be along shortly to have a look.

Of course it helps if you don't include the mauve reflections in the signature.... LOL